Photo: Erikallen920 · CC BY-SA 4.0St. George's sits near the bottom of Canadian towns for July heat
Nights in January average −9.0°C. Winter and summer sit 31°C apart. It is a wet place: more rain and snow fall here than on 93% of Canadian towns. Plan for rain or snow on about 174 days a year, the days with 1 mm or more.
No ECCC station in St. George's has 1991–2020 normals; the page reads Stephenville, 12 km north, instead.
A year in St. George's at a glance
Each month’s typical high and low, in °C.
What stands out about St. George's’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Newfoundland and Labrador beside it.
What a year in St. George's feels like
Each season’s and each month’s usual high and low, 1991–2020.
157 frost days and 50 days above 20°C a year
The frost season runs October to May, and January freezes nearly every night.
Frost days by month
Average days at 0°C or below
Days above 20°C by month
Average days
Rain and melted snow: about 1,316 mm a year
The most falls in September, the least in April.
Rain and snow by month
Millimetres
Rain alone by month
Millimetres
About 386 cm of snow a year
Expect snow from October to May, with about 107 cm in January, the snowiest month.
Snowfall by month
Centimetres
Snow on the ground by month
Centimetres at month’s end
Heating a home in St. George's
84% of a year’s heating need falls between October and April. Months averaging under 10°C: October to May.
ECCC sums, over the year, how many degrees each day’s average falls short of 18°C.
Living with St. George's’s climate
The averages read for the garden, the outdoors and the coldest and hottest days.
Plant out after about 15 May; the first frost of autumn usually arrives near 23 October, leaving roughly 161 days without frost.
Afternoons of 17–27°C and nights of at least 8°C arrive in Jul and Aug.
Parks & trails →Wind chill falls below −20 on about 28 days a year: cover skin and dress in layers.
Plan shade and water for about 4 days a year above 30 on the humidex.
A normal year has no blizzard, flood or heat wave in it; St. George's’s hazards page looks at those.
Flood & hazards →ECCC’s normals location: Stephenville
Behind the 1991–2020 normals for Stephenville are 2 stations, which ECCC combines into one record.
| Distance from the town | 12 km north |
| Station altitude | 25 m |
| Completeness | at least 25 years |
| WMO standard normals | No |
| Coldest reading, 1991–2020 | −28.8°C |
| Hottest reading, 1991–2020 | 30.7°C |
| Average wind | 18.8 km/h on average, most often from the west |
| Next-nearest location | Corner Brook, 70 km |
How St. George's compares
Compared with 2,611 towns and neighbourhoods of 2,500 or more across Canada; the dots mark the other normals locations in Newfoundland and Labrador.
Nearby towns’ climate
Nearby places read from a different ECCC location (places on St. George's’s own would show the same figures). The one place listed is 70 km from St. George's, the nearest with figures.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| St. George's Stephenville | 20.3°C | −9.0°C | 1,316 mm |
| Humber Arm South 70 km · Corner Brook | 22.8°C 2.5°C warmer | −9.9°C 0.9°C colder | 1,293 mm |
St. George's weather by month
Average daily high and low, mean temperature, rain and snow (as water) and snowfall by month, 1991–2020.
| Month | High | Low | Mean | Rain & snow | Snow |
|---|---|---|---|---|---|
| January | −2.1°C | −9.0°C | −5.6°C | 121 mm | 107 cm |
| February | −2.5°C | −10.2°C | −6.4°C | 107 mm | 97 cm |
| March | 0.7°C | −7.3°C | −3.3°C | 89 mm | 55 cm |
| April | 6.0°C | −1.6°C | 2.2°C | 78 mm | 17 cm |
| May | 11.8°C | 3.0°C | 7.4°C | 100 mm | 3 cm |
| June | 16.6°C | 7.8°C | 12.2°C | 93 mm | 0 cm |
| July | 20.3°C | 12.6°C | 16.5°C | 115 mm | 0 cm |
| August | 21.1°C | 13.1°C | 17.1°C | 117 mm | 0 cm |
| September | 16.9°C | 9.1°C | 13.0°C | 131 mm | 0 cm |
| October | 11.3°C | 4.3°C | 7.8°C | 130 mm | 3 cm |
| November | 5.9°C | 0.0°C | 3.0°C | 119 mm | 24 cm |
| December | 1.0°C | −4.8°C | −1.9°C | 117 mm | 81 cm |
| Year | 8.9°C | 1.4°C | 5.2°C | 1,316 mm | 386 cm |
February varies most from one year to the next (2.6°C), August least
March has the widest record range, −24.5°C in 1997 to 19.7°C in 1999; the tick on each bar is the month’s normal.
Where St. George's’s numbers come from
Averages over 30 years, not a forecast.
- Normals: 1991–2020 normals for Stephenville from ECCC’s climate data site, the nearest location with every month of temperature.
- Comparisons: a pool of Canadian towns and neighbourhoods of 2,500 or more, read alike; whole cities and reserves stay out of it.
- Not on this page: a sunshine figure (ECCC published none for 1991–2020) and any lapse-rate correction for height, as the town has no elevation here.
Canadian Climate Normals 1991–2020 · ECCC Data Services End-use Licence. Data Source: Environment and Climate Change Canada
Questions about St. George's’s climate
How warm does St. George's get in summer?
August is the warmest month, with average highs of 21.1°C.
How cold does St. George's get in winter?
Midwinter means February, when a typical night reaches −10.2°C.
How much rain and snow does St. George's get?
Measured as water, a year brings 1,316 mm: 131 mm in September, the wettest month, and 78 mm in April, the driest.
How long does snow stay on the ground?
The ground is white, with 1 cm or more, on some 128 days a year.
Are these figures for St. George's itself?
No. ECCC measures normals at Stephenville, not in St. George's; the page uses the nearest it has.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for St. George's →
Adapted from Statistics Canada (Census of Population 2021, population estimates 2025, 2021 census boundaries) under the Statistics Canada Open Licence; this does not constitute an endorsement by Statistics Canada. Neighbourhood names in some cities © OpenStreetMap contributors (ODbL).